/Engine/Plugins/Online/OnlineFramework/Source/Party/Public/SocialQuery.h
template<typename SocialQueryT> static void AddUserId ( const [USocialToolkit](API\Plugins\Party\USocialToolkit) & Toolkit, [ESocialSubsystem](API\Plugins\Party\ESocialSubsystem) InSubsystem, const typename SocialQueryT::FQueryId & InQueryId, const typename SocialQueryT::FOnQueryComplete & OnQueryCompleteHandler )